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Home Forums 68kMLA Kensington Mouse-in-a-Box (ADB) on Mac OS 7.6.1? — #12
Post #12 by Floofies
Source Forum68kMLA
CategoryPeripherals
Post DateTue, 4 Aug 2015 - 17:35
Original URLhttps://68kmla.org/bb/threads/kensington-mouse-in-a-box-adb-on-mac-os-7-6-1.2456/
Post
umm.. no, no, and umm no....

You have a break or short in the cable.

And the shield is ground. if you have pin 1 connected to shield, then pin 1 is ground. You should have power, ground, ADB Data, and Open Circuit.
I'll strip the outer insulation and see what the deal is. Also, I thought Pin 1 is supposed to be data, not ground?

Look at the attached photo with my notes.
 Must be the break in the cable mucking up my tests, but I tested from each pin in the mini-DIN (with this graph for reference) to the pins on the PCB and found the opposite of your notes.

Mini-DIN Casing = Black

Pin 1, Data = Black

Pin 3, 5v Power = Orange

mp.ls